Browse Publications Technical Papers 2010-01-0495
2010-04-12

A Durability Analysis Case Study of SUV and MUV Using Measured Proving Ground Road Profiles 2010-01-0495

With an increasing demand to reduce the product development time cycle from concept-to-vehicle, weight saving effort and less prototype initiative, CAE evaluation technique in the vehicle durability development must allow the computer simulation to reproduce the actual driving condition over a proving ground.
This paper describes the case study to predict the durability performance of full vehicle using vehicle FE parts in ADAMS model. The objective is to carry out full vehicle simulation in actual road load condition using reduced full vehicle FE model, condensed with the ADAMS model. The measured acceleration is applied to the vehicle FE model and dynamic loads converted to equivalent static loads. The FE model solved in MSC.Nastran® with number of static load subcases converted from the measured proving ground road data.
It also verifies the validity of the evaluation methodologies by simulation-to-experiment comparisons. The validation demonstrates a high correlation with experiment and a viable CAE evaluation of the durability performance.
Two case studies will be presented to show the application of this methodology to full vehicle systems for vehicle durability applications.

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